TIN 12 DERWENT AQUATONE PENCILS NEWEST AND VERY POPULAR RANGE OF WOODLESS WATERCOLOUR STICKS. THEY ARE SOLID STICKS OF WATERCOLOUR MATERIAL IN A PEELABLE WRAP. THE CHOICE OF PROFESSIONAL ARTISTS. CAN BE USED IN SO MANY DIFFERENT WAYS TO CREATE STUNNINGLY DIFFERENT DRAWING AND PAINTING EFFECTS. CAN BE USED WET OR DRY AS A CONVENTIONAL PENCIL, AS A BLOCK OF SOLID COLOUR, OR CAN BE BROKEN INTO CHUNKS OF MATERIAL FOR VARIOUS USES COLOUR ASSORTMENT INCLUDES THE TWELVE MOST USED COLOURS.